Can a problem be solved by the scientific method?
yes
no
not enough information to determine

Regarding most of the narrator’s story, which word best describes the tone?

2. sketch the inside of the bean nodule, and describe or label what you observed with the hand lens.

Which of the following factors would not contribute to allopatric speciation? a) a population becomes geographically isolated from the parent population.b) the separated population is small, and genetic drift occurs.c) the isolated population is exposed to different selection pressures than the ancestral population.d) different mutations begin to distinguish the gene pools of the separated populations.e) gene flow between the two populations is extensive.